Dell G5 desktop compatibility with older Radeon cards

winston9t4

Limp Gawd
Joined
Jan 12, 2012
Messages
204
Had an odd thing happen with a new Dell G5 desktop. It originally came with a Radeon 5700XT, everything worked fine. I wanted to put in a lower end card, and tried 2 Radeon 6450s and a 5450, and all 3 produced no video output, just a black screen. Went to a Radeon R270, and it works.

Any ideas what is happening? I was hoping to get the system working with a lower end card, but it seems to be incompatible in some way. Never experienced anything like this before. Thanks for any help!
 

pendragon1

Extremely [H]
Joined
Oct 7, 2000
Messages
32,997
thats what i would suspect^^^. the 6/5000 card are legacy only, i think... look in the bios for csm(leg and uefi), something like that.
 
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